Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/ExternalWMSArtifact.java @ 3818:dc18457b1cef

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merged flys-artifacts/pre2.7-2012-03-16
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:59 +0200
parents 8afd6a9bb244
children 6717b4725ddf
comparison
equal deleted inserted replaced
2456:60ab1054069d 3818:dc18457b1cef
1 package de.intevation.flys.artifacts;
2
3 import java.util.ArrayList;
4 import java.util.List;
5
6 import org.apache.log4j.Logger;
7
8 import org.w3c.dom.Document;
9
10 import de.intevation.artifacts.Artifact;
11 import de.intevation.artifacts.ArtifactFactory;
12 import de.intevation.artifacts.CallMeta;
13
14 import de.intevation.artifacts.common.ArtifactNamespaceContext;
15 import de.intevation.artifacts.common.utils.XMLUtils;
16
17 import de.intevation.artifactdatabase.state.DefaultOutput;
18 import de.intevation.artifactdatabase.state.Facet;
19 import de.intevation.artifactdatabase.state.State;
20
21 import de.intevation.flys.artifacts.states.WMSBackgroundState;
22
23
24 public class ExternalWMSArtifact extends StaticFLYSArtifact {
25
26 public static final String XPATH_IDS = "/art:action/art:ids/@value";
27
28 public static final String NAME = "external_wms";
29
30 private static final Logger logger =
31 Logger.getLogger(ExternalWMSArtifact.class);
32
33
34 @Override
35 public String getName() {
36 return NAME;
37 }
38
39
40 @Override
41 public void setup(
42 String identifier,
43 ArtifactFactory factory,
44 Object context,
45 CallMeta callMeta,
46 Document data)
47 {
48 logger.info("ExternalWMSArtifact.setup");
49
50 super.setup(identifier, factory, context, callMeta, data);
51
52 String ids = XMLUtils.xpathString(
53 data, XPATH_IDS, ArtifactNamespaceContext.INSTANCE);
54
55 if (ids != null && ids.length() > 0) {
56 addStringData("ids", ids);
57 }
58 else {
59 throw new IllegalArgumentException("No attribute 'ids' found!");
60 }
61
62 List<Facet> fs = new ArrayList<Facet>();
63
64 WMSBackgroundState s = (WMSBackgroundState) getCurrentState(context);
65 s.computeInit(this, hash(), context, callMeta, fs);
66
67 if (!fs.isEmpty()) {
68 facets.put(getCurrentStateId(), fs);
69 }
70 }
71
72
73 @Override
74 protected void initialize(
75 Artifact artifact,
76 Object context,
77 CallMeta callMeta)
78 {
79 // do nothing
80 }
81
82
83 @Override
84 public State getCurrentState(Object cc) {
85 State s = new ExternalWMSState(this);
86
87 List<Facet> fs = facets.get(getCurrentStateId());
88
89 DefaultOutput o = new DefaultOutput(
90 "floodmap",
91 "floodmap",
92 "image/png",
93 fs,
94 "map");
95
96 s.getOutputs().add(o);
97
98 return s;
99 }
100
101
102 /**
103 * Get a list containing the one and only State.
104 * @param context ignored.
105 * @return list with one and only state.
106 */
107 @Override
108 protected List<State> getStates(Object context) {
109 ArrayList<State> states = new ArrayList<State>();
110 states.add(getCurrentState(context));
111
112 return states;
113 }
114
115
116 public static class ExternalWMSState extends WMSBackgroundState {
117
118 protected ExternalWMSArtifact artifact;
119
120 protected String ids;
121
122
123 public ExternalWMSState(ExternalWMSArtifact artifact) {
124 super();
125 this.artifact = artifact;
126 }
127
128 protected String getIds() {
129 if (ids == null || ids.length() == 0) {
130 ids = artifact.getDataAsString("ids");
131 }
132
133 return ids;
134 }
135
136 @Override
137 protected String getFacetType() {
138 return FLOODMAP_EXTERNAL_WMS;
139 }
140
141 @Override
142 protected String getSrid() {
143 return "";
144 }
145
146 @Override
147 protected String getUrl() {
148 String ids = getIds();
149 String[] parts = ids.split(";");
150
151 return parts[0];
152 }
153
154 @Override
155 protected String getLayer() {
156 String ids = getIds();
157 String[] parts = ids.split(";");
158
159 return parts[1];
160 }
161
162 @Override
163 protected String getTitle(CallMeta meta) {
164 String ids = getIds();
165 String[] parts = ids.split(";");
166
167 return parts[2];
168 }
169 } // end of class ExternalWMSState
170 }
171 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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